{"product_id":"square-d-bda34040y-40a-480v-3-pole-plug-in-circuit-breaker","title":"Square D BDA34040Y - 40 A, 480 V, 3-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eExperience dependable, fast-acting protection with the Square D BDA34040Y—an essential 40A, 480V, 3-pole plug-in molded case circuit breaker designed for panelboards and load centers. Built to keep critical circuits safe, it delivers predictable performance in everyday commercial, residential, and light industrial settings.\u003c\/p\u003e \u003cp\u003eDesigned for real-world use, this breaker combines a fast plug-in connection with a thermal-magnetic trip unit. That means quick installation or replacement with a protection system that responds reliably to overloads and short circuits, reducing downtime and protecting both equipment and people.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey differentiators\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection\u003c\/strong\u003e—simplifies installation and makes replacements straightforward, minimizing panel downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e—delivers stable, repeatable protection across varying loads and fault conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM load center compatibility\u003c\/strong\u003e—designed to integrate seamlessly with matching Square D panelboards and load centers for a trusted fit.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole, 480V protection\u003c\/strong\u003e—protects three-phase circuits common in commercial and light industrial environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e40A rating\u003c\/strong\u003e—provides balanced protection for mid-range branch circuits while supporting efficient system operation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMolded case construction\u003c\/strong\u003e—robust, durable protection suitable for demanding installation environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eTechnical specifications at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Square D\u003c\/li\u003e \u003cli\u003ePart Number: BDA34040Y\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage rating: 40A\u003c\/li\u003e \u003cli\u003eVoltage rating: 480V\u003c\/li\u003e \u003cli\u003eNumber of poles: 3\u003c\/li\u003e \u003cli\u003eMounting style: Plug-in\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis plug-in breaker is ideal for facilities that rely on reliable three-phase protection and quick serviceability—perfect for electricians upgrading panels, stocking replacement parts, or specifying safe, compliant branch-circuit protection in commercial and light industrial projects. By pairing precise thermal-magnetic protection with industry-standard compatibility, the Square D BDA34040Y helps you keep power safe, systems running smoothly, and downtime to a minimum.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355172622498,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-bda34040y-40-a-480-v-3-pole-plug-in-circuit-breaker-919.webp?v=1788738514","url":"https:\/\/www.ampstate.com\/products\/square-d-bda34040y-40a-480v-3-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}